Des Styles
Harry has only one sister and her name is Gemma Styles. He has 2 tattoos of her name on his arm. One is Gemma in Hebrew and the other is of an Iced Gem (Gemma's nickname when she was younger).
Her name is Gemma Cruz
He has an older sister who's called Gemma (20 yrs old)
Gemma Styles.
Des Styles
His sister's full name is Gemma Anne Styles.
Gemma Anne Styles
Gemma Anne Styles.
Gemma Kayla's birth name is Gemma Cailler.
Gemma Lienas's birth name is Gemma Lienas i Massot.
Gemma Arterton's birth name is Gemma Christina Arterton.
Gemma Craven's birth name is Rita Gemma Gabriel.
Gemma Bissix's birth name is Gemma Louise Bissix.
Gemma Calvet's birth name is Gemma Calvet Barot.
Gemma Ward's birth name is Gemma Louise Ward.
Gemma Reeves's birth name is Gemma Reeves-Erskine.